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Author Question: When can we be certain that the average velocity of an object is always equal to its instantaneous ... (Read 244 times)

jlmhmf

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on: Jul 29, 2018
When can we be certain that the average velocity of an object is always equal to its instantaneous velocity?
 
  A) always
  B) never
  C) only when the velocity is constant
  D) only when the acceleration is constant
  E) only when the acceleration is changing at a constant rate

Question 2

The motion of a particle is described in the velocity versus time graph shown in the figure. We can say that its speed
 
  A) increases.
  B) decreases.
  C) increases and then decreases.
  D) decreases and then increases.


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bulacsom

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: D


jlmhmf

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Reply 2 on: Jul 29, 2018
:D TYSM

ttt030911

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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